CN216250422U - High-humidity-resistant alternating-current safety-standard film capacitor - Google Patents

Abstract

The utility model discloses a high-humidity-resistant alternating-current safety-standard film capacitor in the technical field of capacitor films, which comprises a capacitor body, wherein two ends of the capacitor body are fixedly provided with leads, a sealing assembly is arranged outside the capacitor body, the capacitor body is protected by the sealing assembly, a first shell, a second shell, a sealing strip and a sealing ring in the sealing assembly are all made of high-temperature-resistant silica gel, the capacitor has high-temperature-resistant performance and excellent corrosion resistance and weather resistance, the sealing assembly can isolate the capacitor from external gas in the long-term use process of the capacitor, the capacitor is prevented from being corroded by corrosive substances in the air, the service life of the capacitor is prolonged, a heat dissipation assembly is also arranged inside the sealing assembly, the heat generated by the capacitor can be led out of the sealing assembly in a sealed state, so that the capacitor can operate normally.

Description

High-humidity-resistant alternating-current safety-standard film capacitor

Technical Field

The utility model relates to the technical field of capacitor films, in particular to a high-humidity-resistant alternating-current safety-standard film capacitor.

Background

A thin film capacitor, which is a capacitor thin film, is a capacitor having excellent performance because of its many excellent characteristics, and its main characteristics are as follows: because of the advantages of nonpolarity, high insulation resistance, excellent frequency characteristics (wide frequency response), and small dielectric loss, a large number of thin film capacitors are used in analog circuits, and particularly, in a signal connection portion, a capacitor having good frequency characteristics and extremely low dielectric loss must be used to ensure that a signal is not distorted too much during transmission.

The current film capacitor is mainly applied to sound equipment, the protection of the capacitor is particularly important in order to ensure the high fidelity of the sound equipment, the surface of the film capacitor on the current market is lack of a protection structure, and the moisture is gradually invaded and permeated into the capacitor film in the process of long-term use due to the moisture contained in the air, so that the capacitor is easily damaged.

Based on the technical scheme, the utility model designs the high-humidity-resistant alternating-current safety-standard film capacitor to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-humidity-resistant alternating-current safety-standard film capacitor to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-humidity-resistant alternating-current safety-standard film capacitor comprises a capacitor body, wherein both ends of the capacitor body are fixedly provided with leads, and a sealing assembly is arranged outside the capacitor body;

the sealing assembly comprises a first shell and a second shell, sealing strips are fixedly arranged on the inner walls of the first shell and the second shell, sealing rings are fixedly arranged on the inner sides of the sealing strips, and the sealing rings are sleeved on the surfaces of the wires;

and a heat dissipation assembly is arranged in the sealing assembly.

Preferably, the inner diameter of the sealing ring and the outer diameter of the lead are arranged in the same manner, and the inner wall of the sealing ring is in sliding connection with the surface of the lead.

Preferably, the cross-sectional shape of the sealing tape is wavy, and the stretched length of the sealing tape is 150%.

Preferably, radiator unit includes the silica gel protective shroud, the fixed surface of silica gel protective shroud installs the metal heat-conducting plate, the one end that the silica gel protective shroud was kept away from to the metal heat-conducting plate runs through the outside of first shell and second shell.

Preferably, the metal heat-conducting plate is fixedly mounted with the inner walls of the first shell and the second shell, and the metal heat-conducting plate is distributed on the surface of the silica gel retainer in a cross shape.

Preferably, the inner wall fixed mounting of first shell has the inner tube, the inner wall of second shell inlays and is equipped with the outer tube, the surface of inner tube is provided with the external screw thread, the inner wall of outer tube is provided with the internal thread, inner tube and outer tube threaded connection.

Preferably, the surfaces of the first shell and the second shell are both fixedly provided with anti-slip sleeves, and anti-slip lines are carved on the surfaces of the anti-slip sleeves.

Compared with the prior art, the utility model has the beneficial effects that: according to the capacitor, the capacitor body is protected by the sealing assembly, the first shell, the second shell, the sealing strip and the sealing ring in the sealing assembly are all made of high-temperature-resistant silica gel, so that the capacitor has high-temperature resistance and excellent corrosion resistance and weather resistance, and can be isolated from external gas by the sealing assembly in the long-term use process of the capacitor, so that the capacitor is prevented from being corroded by corrosive substances in air, the service life of the capacitor is prolonged, and the heat dissipation assembly is arranged in the sealing assembly, so that heat generated by the capacitor can be conducted out of the sealing assembly in a sealed state, and the capacitor can normally operate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an elevational, cross-sectional view of the seal assembly of the present invention;

FIG. 3 is a perspective view of a second housing of the present invention;

FIG. 4 is a perspective view of a first housing of the present invention;

fig. 5 is a side view of the silicone retainer of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a capacitor body; 2. a wire; 3. a seal assembly; 31. a first housing; 32. a second housing; 33. sealing tape; 34. a seal ring; 4. a heat dissipating component; 41. a silica gel retainer; 42. a metal heat-conducting plate; 5. an inner tube; 6. an outer tube; 7. an anti-slip sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

Example one

Referring to the drawings, the present invention provides a technical solution: a high-humidity-resistant alternating-current safety-standard film capacitor comprises a capacitor body 1, wherein both ends of the capacitor body 1 are fixedly provided with leads 2, and a sealing assembly 3 is arranged outside the capacitor body 1;

the sealing assembly 3 comprises a first shell 31 and a second shell 32, sealing strips 33 are fixedly arranged on the inner walls of the first shell 31 and the second shell 32, sealing rings 34 are fixedly arranged on the inner sides of the sealing strips 33, and the sealing rings 34 are sleeved on the surfaces of the leads 2;

the inside of the sealing member 3 is provided with a heat dissipating member 4.

Specifically, the inner diameter of the sealing ring 34 is the same as the outer diameter of the lead 2, the inner wall of the sealing ring 34 is slidably connected with the surface of the lead 2, the inner diameter of the sealing ring 34 is the same as the outer diameter of the lead 2, and the sealing ring 34 is made of silica gel and has certain flexibility, so that the sealing ring 34 can be tightly sleeved on the surface of the lead 2 and cannot form a gap with the lead 2, and the sealing performance is improved.

Specifically, radiator unit 4 includes silica gel retainer 41, the fixed surface of silica gel retainer 41 installs metal heat-conducting plate 42, the outside of first shell 31 and second shell 32 is run through to the one end that silica gel retainer 41 was kept away from to metal heat-conducting plate 42, in the condenser function, can produce certain heat, because contain metal heat-conducting plate 42 among the radiator unit 4, metal heat-conducting plate 42 can be with the heat transfer to seal assembly 3's the outside that the condenser produced outside, thereby cool down the heat dissipation to the condenser.

Specifically, the inner wall fixed mounting of metal heat-conducting plate 42 and first shell 31 and second shell 32, metal heat-conducting plate 42 are the cross and distribute on the surface of silica gel retainer 41, because metal heat-conducting plate 42 distributes for the cross, consequently can dispel the heat to each position of seal assembly 3 inside to promote radiating homogeneity and accelerate the radiating efficiency.

Specifically, the equal fixed mounting in surface of first shell 31 and second shell 32 has anti-skidding cover 7, and the surface of anti-skidding cover 7 is carved with anti-skidding line, through the setting of anti-skidding cover 7, need rotate when first shell 31 and second shell 32 equipment, and anti-skidding cover 7 can increase the frictional force on first shell 31 and second shell 32 surface, makes the workman when the equipment, can not produce the phenomenon of skidding, makes first shell 31 and second shell 32 connect inseparabler.

Example two

The structure of this embodiment is substantially the same as that of the first embodiment, except that the cross-sectional shape of the sealing band 33 is wavy, the stretching length of the sealing band 33 is 150%, the sealing band 33 in this assembly is specially designed in a wavy shape and has a certain extension, certain vibration can be generated during the operation of the audio equipment, the sealing band 33 not only can play a role in sealing, but also can generate buffer between the sealing ring 34 and the housing, when vibration is generated, the vibration can be counteracted by the sealing band 33, the acting force of the vibration is prevented from being directly transmitted to the sealing ring 34, because the sealing ring 34 is pulled by the housing under the condition of long-term vibration, the gap between the sealing ring 34 and the lead 2 is easily enlarged, and the sealing performance is affected.

EXAMPLE III

The structure of this embodiment is basically the same as embodiment one, and the difference lies in, the inner wall fixed mounting of first shell 31 has inner tube 5, and the inner wall of second shell 32 inlays and is equipped with outer tube 6, and the surface of inner tube 5 is provided with the external screw thread, and the inner wall of outer tube 6 is provided with the internal thread, and inner tube 5 and 6 threaded connection of outer tube, because inner tube 5 and outer tube 6 are threaded connection, consequently first shell 31 and second shell 32 accessible inner tube 5 and outer tube 6 are connected together fixedly, have promoted the convenience of seal assembly 3 equipment.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (7)

1. The utility model provides a high wet resistant interchange ann rule film capacitor, includes capacitor body (1), its characterized in that: both ends of the capacitor body (1) are fixedly provided with leads (2), and a sealing component (3) is arranged outside the capacitor body (1);

the sealing assembly (3) comprises a first shell (31) and a second shell (32), sealing strips (33) are fixedly mounted on the inner walls of the first shell (31) and the second shell (32), sealing rings (34) are fixedly mounted on the inner sides of the sealing strips (33), and the surfaces of the wires (2) are sleeved with the sealing rings (34);

and a heat dissipation assembly (4) is arranged in the sealing assembly (3).

2. The high humidity resistant ac safety thin film capacitor of claim 1, wherein: the inner diameter of the sealing ring (34) is the same as the outer diameter of the lead (2), and the inner wall of the sealing ring (34) is connected with the surface of the lead (2) in a sliding mode.

3. The high humidity resistant ac safety thin film capacitor of claim 1, wherein: the cross-sectional shape of the sealing tape (33) is wavy, and the stretched length of the sealing tape (33) is 150%.

4. The high humidity resistant ac safety thin film capacitor of claim 1, wherein: radiator unit (4) include silica gel protective ring (41), the fixed surface of silica gel protective ring (41) installs metal heat-conducting plate (42), the outside of first shell (31) and second shell (32) is run through to the one end that silica gel protective ring (41) was kept away from in metal heat-conducting plate (42).

5. The high humidity resistant AC safety thin film capacitor as claimed in claim 4, wherein: the inner wall fixed mounting of metal heat-conducting plate (42) and first shell (31) and second shell (32), metal heat-conducting plate (42) are the surface of cross distribution at silica gel protective shroud (41).

6. The high humidity resistant ac safety thin film capacitor of claim 1, wherein: the inner wall fixed mounting of first shell (31) has inner tube (5), the inner wall of second shell (32) inlays and is equipped with outer tube (6), the surface of inner tube (5) is provided with the external screw thread, the inner wall of outer tube (6) is provided with the internal thread, inner tube (5) and outer tube (6) threaded connection.

7. The high humidity resistant ac safety thin film capacitor of claim 1, wherein: the anti-skidding cover is characterized in that anti-skidding sleeves (7) are fixedly mounted on the surfaces of the first shell (31) and the second shell (32), and anti-skidding lines are carved on the surfaces of the anti-skidding sleeves (7).

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